Tianjin Brisk Metalwork Co., Ltd. yog ib qho ntawm cov tuam txhab ua lag luam thiab cov chaw muag khoom ntawm cov roj crude tsheb thauj mus los pipeline lsaw steel yeeb nkab hauv Suav teb. Peb muaj lub ntiaj teb- cov cuab yeej tsim khoom thiab muaj peev xwm tsim tau zoo. Thov koj xav tias dawb mus yuav bulk check crude roj tsheb thauj mus los pipeline lsaw steel yeeb nkab los ntawm peb lub hoobkas.
Tianjin Brisk Steel yog ib qho ntawm cov Crude Oil Transportation Pipeline Lsaw Steel Pipe nyob Suav teb. Peb cov khoom raug xa tawm mus rau Middle East, Southeast Asia, Europe, New Zealand, thiab lwm thaj chaw.Yog tias koj xav paub ntau ntxiv txog peb cov khoom, thov hu rau peb thiab xa koj daim ntawv yuav khoom.
Ceev Spec Reference
| Yam khoom | Specification |
| Txheej txheem | LSAW (JCOE), longitudinal ob -sab submerged arc welded |
| Txuj | API 5L PSL2 (yuav tsum tau rau crude trunklines), ISO 3183 |
| Qib | X52 – X70 |
| OD ntau | 406-1420 hli |
| Phab ntsa thickness | 8mm-40mm |
| Sour kev pab xaiv | NACE MR0175 / ISO 15156-2 (HIC / SSC resistant) |
| Sab hauv seam | Av / trimmed rau pigging cuab yeej clearance |
| Txheej | 3 PEB/ 3PP / FBE, sab nraud; internal epoxy flow txheej yeem |
| Kev sim | UT + RT weld soj ntsuam, hydrostatic test, Charpy cuam tshuam |
Roj Crude tsis yog "Oil Pipeline" - Ob lub ntsiab lus cais nws los ntawm General API 5L Order
Ntau tus neeg yuav khoom tshawb "cov roj av LSAW yeeb nkab" thiab xaus rau cov lus hais tib yam.API 5LPSL2 kab yeeb nkab siv rau cov khoom ua kom zoo los yog kev xa hluav taws xob. Rau feem ntau ntawm cov neeg kho tshuab spec, uas tsis yog lawm - qib ntaiv thiab siab tsim lej sib koom. Tab sis kev pabcuam roj av coj ob qho kev txiav txim siab uas cov roj hluav taws xob / cov kav xa hluav taws xob tsis tuaj yeem them.
Qab zib vs qab zib crude.Roj Crude feem ntau nqa yaj H2S, thiab tsis zoo li refined khoom kab, qhov no yog ib yam khoom ntawm cov crude nws tus kheej, tsis yog ib yam dab tsi ua tiav ua ntej thauj. Yog tias cov khoom siv raw yog qaub (H2S ib nrab siab siab tshaj qhov pib tau teev tseg hauv ISO 15156-2), cov yeeb nkab steel yuav tsum tau tiv thaiv hydrogen-induced cracking (HIC) thiab sulfide stress cracking (SSC) - uas txhais tau hais tias tswj steel chemistry (qis qis, calcium kev kho mob rau suav nrog kev sib tham {0} xwb) txheem PSL2 mechanical yam tsawg kawg nkaus. Lub zeb khiav txheem PSL2 ntau lawm yam tsis muaj qaub- kev pabcuam kev tswj hwm yuav tsis cia li tsim HIC-resistant phaj, txawm nyob rau tib qib thiab phab ntsa tuab.
Pigging compatibility.Cov roj av nkos yog pigged ntau dua li niaj zaus tshaj li cov roj xa hluav taws xob feem ntau - rau kev tshem tawm wax/paraffin (crude naturally deposits wax as it cools below its pour point), rau kev soj ntsuam sab hauv (ntse npua / MFL cov cuab yeej), thiab rau batch sib cais ntawm ntau - cov khoom kab. LSAW yeeb nkab sab hauv weld seam hlaws, yog tias sab laug raws li -welded, tsim ib tug tsa ceg khiav tag nrho cov yeeb nkab ntev. Rau pigging cov cuab yeej nrog nruj seal- khob clearance, lub ridge yuav tsum tau nyob rau hauv av los yog trimmed mus rau ib tug tswj qhov siab - ib tug ua tiav cov kauj ruam uas yooj yim rau hauv qab - qhia tau hais tias qhov kev txiav txim yog sau raws li generic "API 5L PSL2" yam tsis tau hu tawm sab hauv seam trim kam rau ua.
Thaum Wax Deposition Hloov Phab Ntsa-Kev Sib Tham Thickness
Waxy crude (feem ntau nyob rau hauv ntau lub teb onshore) tee paraffin mus rau cov yeeb nkab phab ntsa raws li cov roj txias nyob rau hauv kev thauj mus los, maj mam nqaim qhov zoo bore thiab nce twj tso kua mis lub sij hawm. Qee cov kab crude hais qhov no nrog cov kab cua sov los yog cov txheej txheem rwb thaiv tsev kom cov roj crude saum nws cov ntsiab lus es tsis txhob cia siab rau cov pigging zaus. Qhov twg yog qhov tsim qauv, cov yeeb nkab txheej txheej txuas ntxiv tshaj tus qauv 3PE / 3PP corrosion txheej kom muaj cov txheej txheem thermal rwb thaiv tsev - txheej txheej spec sib tham dua li cov kab hluav taws xob sib txuas, thiab ib qho tsim nyog nce nrog cov yeeb nkab xa khoom ntawm theem tsim es tsis yog tom qab txheej txheej pib.
Case hauv point:Tus neeg teb xov tooj ntawm ntug dej hiav txwv sib sau ua ke tau xaj API 5L X60 PSL2 LSAW yeeb nkab yam tsis tau qhia qhov siab sab hauv seam trim, piv txwv li "PSL2" implied pigging-npaj xwm. Tom qab ua haujlwm, tus npua tu tau nyob ze ze ntawm lub voj voog weld khi- nyob rau hauv seem uas cov hlaws sab hauv, ua ke nrog me ntsis weld reinforcement buildup, tshaj tus npua lub foob - khob clearance. Cov yeeb nkab tau ntsib txhua qhov kev xav tau ntawm PSL2 thiab NDT - qhov sib txawv yog qhov ua tiav - kam rau ua omission, tsis yog cov khoom siv tsis raug. Cov kev txiav txim tom qab tau teev cov seam qhov siab tsawg dua los yog sib npaug rau 1.6 hli meej meej hauv kev yuav khoom spec, daws qhov teeb meem.
Tej kev siv
- Onshore crude roj trunk pipelines (sib sau mus rau lub davhlau ya nyob twg / refinery)
- Offshore crude export kab (nrog tsim nyog txheej / phab ntsa thickness rau subsea tej yam kev mob)
- Crude roj davhlau ya nyob twg thiab tank ua liaj ua teb interconnecting kab
- Sour crude fields xav tau NACE-cov ntaub ntawv ua raws
- Waxy/hnyav crude kab nrog rwb thaiv tsev los yog cua sov- taug raws txoj cai
FAQ
Q: Puas yog qaub - kev kuaj kev pabcuam yuav tsum tau ua los ntawm lub neej ntawd rau cov roj yeeb nkab?
A: Tsis yog - nws nyob ntawm seb qhov tshwj xeeb crude yog qaub, txiav txim siab los ntawm H2S ib nrab siab rau ISO 15156-1 thaj tsam hnyav. Sweet crude kab tsis tas yuav tsum tau ua raws li NACE MR0175, txawm hais tias ntau tus neeg ua haujlwm tau hais tias nws yog qhov kev ceeb toom tseem ceeb uas muaj qhov sib txawv ntawm cov raj xa dej ua haujlwm.
Q: Dab tsi sab hauv seam trim kam rau kuv yuav tsum qhia meej rau pigging?
A: Qhov no yog nyob ntawm pigging tool manufacturers lub foob-khob clearance spec - feem ntau nyob rau hauv 1.0–1.6mm ntau yam rau tus qauv tu / tshuaj xyuas npua, tab sis yeej ib txwm paub meej tiv thaiv cov cuab yeej siv tiag tiag es tsis xav tias yuav ua li cas.
Q: Puas yog cov roj av roj av puas yuav tsum tau txheej txheej sab hauv?
A: Tsis yog ib txwm - sab nraud 3PE / 3PP / FBE txheej tuav cov av / dej - sab corrosion. Cov txheej txheej sab hauv (feem ntau epoxy) yog ntxiv rau kev khiav -kev ua tau zoo lossis kev txhawj xeeb tshwj xeeb, tsis yog cov roj av uas yuav tsum tau ua.
Q: Yuav ua li cas yog wax-txog phab ntsa thickness txawv ntawm tus qauv siab-tsim phab ntsa thickness?
A: Nws tsis yog phab ntsa cais-thickness xam - wax buildup yog tswj los ntawm pigging zaus, tshuaj inhibitors, los yog cua sov / rwb thaiv tsev es tsis yog los ntawm kev ntxiv phab ntsa thickness. Phab ntsa tuab tseem tswj hwm los ntawm kev tsim siab ntawm API 5L / ASME B31.4.
Cim npe nrov: lsaw steel yeeb nkab, Tuam Tshoj crude roj tsheb thauj mus los pipeline lsaw steel yeeb nkab manufacturers, lwm tus neeg, Hoobkas
